Among the library's books purchased in the past three years, 1.2 % cannot be located. A random

Question:

Among the library's books purchased in the past three years, 1.2 % cannot be located. A random sample of 150 books is selected from a much larger number purchased in the last three years. Approximate the probability of
(a) Exactly 2 cannot be located.
(b) 2 or more cannot be located.